all:11.3.exe 11.4.exe 11.15.16.exe 11.19.exe
11.3.exe:11.3.cpp
	g++ -o$@ $^
11.4.exe:11.4.cpp
	g++ -o$@ $^
11.15.16.exe:11.15.16.cpp
	g++ -o$@ $^ -g
11.19.exe:11.19.cpp
	g++ -o$@ $^ -g
clean:
	rm *.exe
